.footer {
    display: flex;
    justify-content: space-around;
    align-items: center;
    height: 3.375rem;
    position: fixed;
    bottom: 0;
    right: 0;
    left: 0;
    background-color: white;
    box-sizing: border-box;
}
.footer .footerlist{
    width: 20%;
    text-align: center;
}
.footer .footerlist img{
    width: 1.875rem;
    height: 1.875rem;
}
.active{
    color: red;
    font-weight: bold;
}